Two very particular issues drove Reagan's political conversion: fiscal policy and anti-communism. In the late 1940s, Reagan was facing the end of his career as a movie actor and was finding less and less work. He was upset because he felt that he had only a short window to maximize his earnings and ensure his future financial security and that the present 90% top marginal rate was unreasonable.
<span>Reagan's experience as a board member and later president of the Screen Actors Guild also moved him politically rightward. In this professional capacity he dealt with a strike by a set builder union backed by communist sympathizers.
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The answer to this is the third one!
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In the United States, the 1.36 million km² (525,000 square miles) of the area between the Adams-Onis and Guadalupe Hidalgo boundaries outside the 1,007,935 km2 (389,166 sq mi) claimed by the Republic of Texas is known as the Mexican Cession.